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Lewis structure formulas are diagrams that show the relationship between the atoms in the molecule and the lone pairs of electrons that can exist in the molecule. The structures of shows each atom and their position in the molecule structure using their chemical symbol. The lone electrons that make up lonely couples are presented as pairs of points and are located next to the atoms.

In SeF2O molecule there are 24 valence electrons . 14 electrons are from F, 6 from O and 4 from Se. Lewis structure of SeF2O is shown in the picture below.
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The total number of valence electrons in the lewis dot structure of SeF₂O are 24.

What is Lewis dot structure?

Lewis dot structure of any compound tells about the bonding or lone pair of electrons present in the compound which are shows in the form of dots.

Valence electrons are those electrons which are present on the outer most shell of an atom. According to the structure of SeF₂O, total valence electrons of the compound is equal to the sum of the valence electrons of each atom present in that compound.

Total valence electrons of SeF₂O = 2(7 electrons of Flourine) + 6 electrons of oxygen + 4 electrons of Se

Total valence electrons of SeF₂O = 14+6+4 = 24

Hence total valence electrons are 24.

To know more Lewis dot structure, visit the below link:
https://brainly.com/question/19550931

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